{"uid":"cap_qzyNNNXnnp-ErjBOmXiaq","slug":"base-contract-verdict-0d5fc794","name":"Base Contract Verdict","description":"Plain English risk verdict for a Base smart contract before you interact. JSON body: address (0x + 40 hex), one per call, body max 4 KB, 2 to 30 s. Returns JSON: proxy type, privileged functions (mint, pause, upgrade), SELFDESTRUCT and DELEGATECALL flags, owner type, risk low/medium/high, notes, and a 2 to 4 sentence AI verdict from those facts. Heuristic, not an audit. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.","url":"https://api.jagent.dev/v1/contract-verdict?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","description":"contract address, 0x + 40 hex"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0099","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0099/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0099","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0099","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_prbiBxaJFh0kMcHdUo6Sr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0099","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a plain-English AI risk verdict for a Base smart contract, including proxy type, privileged functions, dangerous opcodes, owner type, and a low/medium/high risk rating.","exampleAgentPrompt":"Before I interact with this contract, can you give me a plain-English risk verdict for the Base smart contract at 0x4200000000000000000000000000000000000006 — tell me if it has any dangerous functions like mint or self-destruct, whether it's a proxy, and what the overall risk level is?","exampleUseCases":[{"title":"Pre-transaction contract safety check","prompt":"I'm about to approve a transaction with a new DeFi protocol on Base — can you check the contract at 0xAbCd1234567890AbCd1234567890AbCd12345678 and tell me if it has any privileged functions like pause or upgrade, and whether the risk is low, medium, or high?"},{"title":"Rug pull detection before investing","prompt":"I found a new token on Base and want to know if the underlying contract is sketchy — run a risk verdict on 0xDeAdBeEf1234567890DeAdBeEf1234567890DeAd and flag anything like mint functions, self-destruct, or a suspicious owner."},{"title":"Smart contract due diligence for NFT mint","prompt":"I'm about to mint from this NFT contract on Base at 0x1111111111111111111111111111111111111111 — can you give me a quick AI verdict on whether it looks safe, whether it can be upgraded or paused, and who controls it?"}],"resultDescription":"A JSON object containing: proxy type (e.g. transparent, UUPS, or none), a list of detected privileged functions (mint, pause, upgrade), boolean flags for SELFDESTRUCT and DELEGATECALL presence, owner type (e.g. EOA, multisig, contract), a risk level of low/medium/high, descriptive notes, and a 2-4 sentence AI-generated plain-English verdict summarizing the findings. This is a heuristic analysis, not a formal security audit.","failureModes":["Invalid or malformed address (not 0x + 40 hex) returns a validation error","Contract not deployed on Base mainnet returns an error or empty analysis","Request body exceeds 4 KB limit returns a rejection","Analysis takes longer than 30 seconds and times out","Non-contract address (EOA wallet) may return limited or no contract data","Payment of 0.0099 USDC not completed results in 402 rejection"],"whenToPreferThis":"Use this endpoint when you need a fast, human-readable risk assessment of a Base smart contract before an interaction, especially when you want structured flags (proxy, SELFDESTRUCT, privileged functions) plus a concise AI narrative summary. Prefer this over raw bytecode tools when your agent or user needs actionable plain-English output rather than raw decompilation. Note this is a heuristic verdict, not a substitute for a professional audit — best suited for quick pre-interaction screening.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:53.184Z","isFirstParty":false,"canonicalSlug":"base-contract-verdict-0d5fc794"}